YZ250F

YZ250F

Equipped with the most advanced performance-boosting technology in its class, the YZ250F’s all-new engine is the most powerful production 250cc 4-stroke ever manufactured by Yamaha.

Its new lightweight electric starter saves valuable seconds when it matters – and with Yamaha’s exclusive Power Tuner app and adjustable mapping, it’s easy to choose the exact power profile for optimum race results at every track.

The compact new chassis increases agility – and new suspension systems deliver winning performance with class-leading feel. So expect more. Because the all-new Yamaha YZ250F gives you the highest level of tuneable performance ever seen in the 250cc class.

*Images are shown for reference only, product specifications and data are subject to change without notice.

Colours

YZ250F-colour-yamaha-blue+white
YZ250F-colour-yamaha-grey

Features

250cc liquid-cooled DOHC 4-valve engine

A new engine offers YZ250F riders the best balance of high-rpm power with a broad, useable powerband. The new, higher-compression piston and new intake and exhaust valving delivers outstanding engine character with a focus on top-end power delivery. The cylinder is also lighter and angled more upright to improve mass-centralisation.

Aluminium bilateral beam frame

The new compact bilateral beam frame is completely new to further refine the instinctive handling the YZ250F is known for. Larger upper frame bracing improves rigidity and durability, while wider rear frame spars and all-new engine mounts centralise mass for the best possible balance of bump absorption, stiffness and feeling of grip.

Smart phone tuning

Yamaha broke new ground with the YZ450F Power Tuner app by allowing convenience, flexibility and tunability via your iPhone or similar. Now the 250F can accept fuel and ignition timing changes instantly – you can upload them to the bike via the onboard WiFi system for the ultimate in track-side tuning and engine diagnostics.

Adjustable engine maps

Two-mode adjustable engine mapping allows the rider to adjust engine character with the push of a handlebar mounted button, making it easy to tune the YZ250F for changing track or weather conditions between motos.

Electric starter system

Utilising a compact starter motor and ultra-lightweight lithium battery, the YZ250F brings the convenience of push-button starting to the racetrack, for effortless restarts under pressure, and relaxed riding when the clock isn’t ticking. Powered by a high-capacity and ultra-lightweight, four-cell lithium-ion battery, the system adds minimal weight.

Class-leading suspension

Yamaha continues to use spring-type forks with refined, speed-sensitive damping to give industry-leading suspension performance straight out of the box. 2019 brings updated settings to match the updated frame and engine layout.

Specifications

Engine

Engine Type

Liquid cooled, single cylinder, 4-stroke, DOHC, 4-valve

Displacement

250 cc

Bore x Stroke

77 x 53.6 mm

Compression Ratio

13.8 : 1

Lubrication System

Wet sump

Fuel Management

Fuel Injection

Ignition

TCI

Starter System

Electric

Fuel Tank Capacity

6.5 L

Final Transmission

Chain

Transmission

Constant mesh, 5-speed

Dimensions

Length

2175 mm

Width

825 mm

Height

1285 mm

Seat Height

970 mm

Wheelbase

1475 mm

Ground Clearance

335 mm

Wet Weight

106 kg with 6.5 litres of fuel

Chassis

Frame Type

Bilateral Beam

Suspension Front

Telescopic forks, 310mm travel

Suspension Rear

Swingarm (link suspension), 315mm travel

Brakes Front

Hydraulic disc, 270mm disc

Brakes Rear

Hydraulic disc, 245mm disc

Tyres Front

80/100-21 51M

Tyres Rear

100/90-19 57M

Own it Sooner

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